Home / 176,420.33-243,406.42-99,927.27

Finding the Fourth Proportional to 176,420.33, 243,406.42 and 99,927.27

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Solution

The fourth proportional to 176,420.33, 243,406.42 and 99,927.27 is: 137,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,420.33 : 243,406.42 = 99,927.27 : x
  2. Step 2: Convert to fraction form
    176,420.33/243,406.42 = 99,927.27/x
  3. Step 3: Cross multiply
    176,420.33x = 243,406.42 × 99,927.27
  4. Step 4: Simplify right side
    176,420.33x = 24,322,938,801.26
  5. Step 5: Solve for x
    x = 24,322,938,801.26/176,420.33
  6. Step 6: Final answer
    x = 137,869.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.